Sigma 400mm F5.6 APO Lens
The Sigma 400mm f/5.6 APO is a 400mm f/5.6 lens designed for Canon EF, Nikon F, Sony A, Pentax K mount cameras. Used copies start from $148.58 on GearFocus, with buyer protection on every purchase.
Sigma 400mm F5.6 APO Lens
Used Sigma 400mm f/5.6 APO Listings on GearFocus
Lens Overview — Sigma 400mm f/5.6 APO
Key Features — Sigma 400mm f/5.6 APO
400mm Prime Telephoto: Fixed 400mm focal length delivers a dedicated long-reach perspective well-suited to wildlife, birds in flight, and sports photography.
APO Optical Design: Apochromatic glass elements minimize chromatic aberration and color fringing across the frame, particularly at longer shooting distances.
Full-Frame Coverage: Designed for full-frame DSLR bodies while remaining fully usable on APS-C crop-sensor cameras.
Multi-Mount Availability: Available in Canon EF, Nikon F, Sony A, and Pentax K mounts, making it accessible across major DSLR platforms.
Autofocus and Manual Focus: Supports both AF and MF operation, giving photographers flexibility to switch based on subject and shooting conditions.
f/5.6 Maximum Aperture: Consistent f/5.6 aperture across the focus range allows for predictable exposure settings when tracking moving subjects.
Lens Specifications — Sigma 400mm f/5.6 APO
| Spec | Detail |
|---|---|
| Use Cases | Wildlife, Birding, Sports |
| Lens Type | Prime |
| Format | Full Frame |
| Zoom/Prime | Prime |
| Focal Length | 400mm |
| Maximum Aperture | f/5.6 |
| Camera System | DSLR |
| Lens Mount | Canon EF, Nikon F, Sony A, Pentax K |
| Autofocus | Yes |
| Focus Type | Auto, Manual |
| Image Stabilization | None |
| Filter Thread | 77mm |
Description — Sigma 400mm f/5.6 APO
The Sigma 400mm f/5.6 APO is a prime telephoto lens designed for full-frame DSLR systems with a fixed 400mm focal length and a maximum aperture of f/5.6. It supports both autofocus and manual focus, offering adaptability across a variety of shooting scenarios. The lens is available in Canon EF, Nikon F, Sony A, and Pentax K mounts, making it one of the more broadly compatible 400mm primes for DSLR shooters.
Weighing 1,200g, it is a substantial optic suited for use on a tripod or monopod, particularly during extended sessions. The 77mm filter thread provides straightforward compatibility with a wide range of photographic filters. It is worth noting that this lens has no image stabilization, so shutter speed selection becomes an important consideration when shooting handheld.
For photographers who need dedicated long-reach telephoto coverage across multiple DSLR platforms, the Sigma 400mm f/5.6 APO presents a multi-mount solution at a fixed focal length.
Pros — Sigma 400mm f/5.6 APO
- ✓Fixed 400mm focal length (minFocalLength/maxFocalLength: 400mm) provides dedicated long-reach telephoto perspective
- ✓Compatible with four major DSLR mounts — Canon EF, Nikon F, Sony A, and Pentax K — offering broad cross-brand usability
- ✓Full-frame coverage (lensFormat: Full Frame) ensures compatibility with both full-frame and crop-sensor DSLR bodies
Cons — Sigma 400mm f/5.6 APO
- ✗No image stabilization (imageStabilization: None), which can make handheld shooting at 400mm challenging
- ✗Maximum aperture of f/5.6 limits light gathering compared to faster telephoto primes
- ✗Weight of 1,200g (weight: 1200g) may require additional support such as a monopod or tripod for extended use
Reviews — Sigma 400mm f/5.6 APO
Videos — Sigma 400mm f/5.6 APO
Sigma 400mm f/5.6 Prime Lens Review - Part II Test Shots — Mike Thomas